<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Snake</title>
</head>
<body>
    <!-- 内容区域 -->
    <div class="main">
        <!-- 蛇活动区域 -->
        <div class="container">
            <!-- 蛇 -->
            <div id="snake">
                <div></div>
            </div>
            <!-- 食物 -->
            <div id="food">
                <div></div>
                <div></div>
                <div></div>
                <div></div>
            </div>
        </div>
        <!-- 计分器和等级 -->
        <div class="level-score">
            <div>
                SCORE：<div id="score">0</div>
            </div>
            <div>
                LEVEL：<div id="level">1</div>
            </div>
        </div>
    </div>
</body>
</html>